Comments

: Hello Everybody,: : I'm new to programming. I have knowledge of C and C++.Now, I need to generate a 10KHz audio signal from a sound card and thereafter perform signal processing at the receiving end.: : I'm not able to understand how to start.Can anybody give similiar examples which could help me out?: : Thanking you,: vasu.:

hi vasu, to do it in realtime vc++ is a good tool, else vb can also be considered.

: : Hello Everybody,: : : : I'm new to programming. I have knowledge of C and C++.Now, I need to generate a 10KHz audio signal from a sound card and thereafter perform signal processing at the receiving end.: : : : I'm not able to understand how to start.Can anybody give similiar examples which could help me out?: : : : Thanking you,: : vasu.: : : : hi vasu,: to do it in realtime vc++ is a good tool, else vb can also be considered.: : srikanth.: : : Regards: srikanth

Hello Srikanth!Thanks for replying me. Yes! many people advised me to do in VC++ as it is device independent.Let me tell you that I just know C and C++ programming but I have'nt worked in this kind ever before.I tried to play and read some .wav files using C++ programs.But I'm really confused about how to start a program generating a 10KHz signal.Somone advised me to learn windows programming before going to the actual one.Kidly inform me the basic topics I need to learn and also help me finding any similiar programs available so that I could get an idea.Thanking You,Regards,Vasu.

: : : Hello Everybody,: : : : : : I'm new to programming. I have knowledge of C and C++.Now, I need to generate a 10KHz audio signal from a sound card and thereafter perform signal processing at the receiving end.: : : : : : I'm not able to understand how to start.Can anybody give similiar examples which could help me out?: : : : : : Thanking you,: : : vasu.: : : : : : : hi vasu,: : to do it in realtime vc++ is a good tool, else vb can also be considered.: : : : srikanth.: : : : : : Regards: : srikanth: : Hello Srikanth!: Thanks for replying me. Yes! many people advised me to do in VC++ as : it is device independent.Let me tell you that I just know C and C++ : programming but I have'nt worked in this kind ever before.: I tried to play and read some .wav files using C++ programs.But I'm : really confused about how to start a program generating a 10KHz : signal.Somone advised me to learn windows programming before going : to the actual one.: Kidly inform me the basic topics I need to learn and also help me : finding any similiar programs available so that I could get an idea.: Thanking You,: Regards,: Vasu.: :

I suggest playing with trig functions. sin(x*10) will give you a goodsine wave with a freq of 10Hz (I think) but try combining waves, etc.Sound is all about waveforms, and in order to generate them correctly,(Without going to college again) is to experiment...

QBASIC:

OUT &H61, COS(X*10)*10

will give you a wave with freq of 10Hz, and amplitude of 10.I suggest dictionary.com before you ask me anything like"What's amplitude?" So, just experiment, and see what works how.

PS. I am a QBASIC programmer, and I am also a littlegood at C++, but QBASIC is second nature, so paraphraseinto preferable language.

PPS. If you wanted to ask, I wanted to make technoa while back, so I started playing with my soundcard(&H220, usually SB, but &H61, always PC SPK, only goodfor simple waves and chirps (unless, sometimes laptopswill do more depending on the driver for built in SPK))